The following were the fluctuations observed during the day:

=================================================================================
                                  Current Session                       Prior Day
           Open    High     Low    Last    Time    Set     Chg     Vol        Set
=================================================================================
Mar'18    79.15   80.05   77.81   78.01   14:20    78.01   -1.24   15374    79.25
                                          January 05
May'18    79.24   79.95   78.04   78.25   14:20    78.25   -1.08    5877    79.33
                                          January 05
Jul'18    79.65   80.09   78.49   78.68   14:20    78.68   -1.01    2754    79.69
                                          January 05
=================================================================================